Commerce is the practice of exchanging something of value for something else of value, usually at a large scale. At its most legitimate, the value exchange in commerce is roughly-equal in the minds of the parties involved.
The best ideas often happen in the most unexpected places and inopportune times when your mind is aimlessly engaged in a nonspecific activity. The best thing you can do under such circumstances is capture those fleeting ideas, thoughts, and feelings before they vanish forever. Some do it on the back of the napkin. The more organized ones do it with a notebook at hand.
